NAME¶

thin_rmap - output reverse map of a thin provisioned region of blocks from metadata device or file

SYNOPSIS¶

thin_rmap [options] {device|file}

DESCRIPTION¶

thin_rmap outputs the reverse mapping stored in the metadata on a device or file between a region of thin provisioned pool blocks and the associated thin provisioned devices.

This tool cannot be run on live metadata.

--region <block range>

output reverse map

-h, --help

Print help and exit.

-V, --version

Output version information and exit.

EXAMPLES¶

output reverse map for pool blocks 5..45 (denotes blocks 5 to 44 inclusive, but not block 45)

thin_rmap --region 5..45 /dev/pool-metadata

DIAGNOSTICS¶

thin_rmap returns an exit code of 0 for success or 1 for error.

SEE ALSO¶

thin_check(8) thin_dump(8) thin_repair(8) thin_restore(8) thin_metadata_size(8)

AUTHOR¶

Joe Thornber <ejt@redhat.com>
Heinz Mauelshagen <HeinzM@RedHat.com>